China's civil aviation authority yesterday raised security levels at airports.

昨日起中国民航提升机场安全级别。

youdao

And as a matter of fact they agreed on that and we are waiting on the issue with the Civil Aviation authority.

事实上，他们同意这样做，我们目前正在等候民航局的决定。

youdao

And the UK's Civil Aviation Authority also announced a closure of air services over Scotland's outermost Hebrides islands on Monday night.

周一晚，英国民航局也宣布停止苏格兰最远端的赫布里底群岛的空中服务。

youdao

It is permitted under the free pricing code of the Civil Aviation Authority, ANAC.

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The Civil Aviation Authority has said it is confident Belfast International Airport is safe to operate.

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The Civil Aviation Authority (CAA) recently changed flying regulations to allow helicopter night flights.

BBC: Air ambulances to fly at night in Sussex, Kent and Surrey